參數資料
型號: EN29LV400AT-90BCP
廠商: Electronic Theatre Controls, Inc.
英文描述: Replaced by PTH04070W :
中文描述: 4兆位(為512k × 8位/ 256 × 16位)閃存引導扇區(qū)閃存,CMOS 3.0伏,只
文件頁數: 28/41頁
文件大小: 771K
代理商: EN29LV400AT-90BCP
Table 9. AC CHARACTERISTICS
Write (Erase/Program) Operations
Parameter
Symbols
JEDEC
Standard
Description
t
AVAV
t
WC
This Data Sheet may be revised by subsequent versions 2005 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. A, Issue Date: 2005/01/07
EN29LV400A
Speed Options
-45R
-55R
-70
-90
Unit
Write Cycle Time
Min
45
55
70
90
ns
t
AVWL
t
AS
Address Setup Time
Min
0
0
0
0
ns
t
WLAX
t
AH
Address Hold Time
Min
35
45
45
45
ns
t
DVWH
t
DS
Data Setup Time
Min
20
25
30
45
ns
t
WHDX
t
DH
Data Hold Time
Min
0
0
0
0
ns
t
OES
Output Enable Setup Time
Min
0
0
0
0
ns
Read
Toggle and
Data# Polling
MIn
0
0
0
0
ns
t
OEH
Output Enable
Hold Time
Min
10
10
10
10
ns
t
GHWL
t
ELWL
t
WHEH
t
WLWH
t
WHDL
t
GHWL
t
CS
t
CH
t
WP
t
WPH
Read Recovery Time before
Write (OE# High to WE# Low)
CE# SetupTime
Min
0
0
0
0
ns
Min
0
0
0
0
ns
CE# Hold Time
Min
0
0
0
0
ns
Write Pulse Width
Min
25
30
35
45
ns
Write Pulse Width High
Min
20
20
20
20
ns
Typ
8
8
8
8
μs
t
WHWH1
t
WHWH1
Programming Operation
(Word AND Byte Mode)
Max
300
300
300
300
μs
t
WHWH2
t
WHWH2
t
VCS
Sector Erase Operation
Typ
0.5
0.5
0.5
0.5
s
Vcc Setup Time
Min
50
50
50
50
μs
t
VIDR
Rise Time to V
ID
Min
500
500
500
500
ns
相關PDF資料
PDF描述
EN29LV400AT-90BI Replaced by PTH04070W :
EN29LV400AT-90BIP Replaced by PTH04070W :
EN29LV400AT-90TC Replaced by PTH04070W :
EN29LV400AB-45RBC 4 Megabit (512K X 8-bit / 256K X 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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